【单选题】—I'm sorry I stepped outside for a smoke. I was very tired. —There is no ______ for this while you are on duty.
【单选题】以天然或合成高分子物质为载体制成的载药微细粒子
【单选题】以天然或合成高分子物质为载体制成的载药微细粒子是( )
【单选题】听力原文:W: What did you think of the lecture? M: I thought it was very interesting. W: Did you really? M: Yes, didn't you? W: Certainly not. I thought he talked a lot of rubbish. M: So you think you know...
【单选题】听力原文:M: I feel very ill, Doctor. W: What is the matter with you? M: I have a terrible sore throat. I have a headache, too. W: Have you been coughing and sneezing? M: I cough a lot, but I don't sneeze....
【简答题】( )是以天然或合成高分子物质为载体制成的载药微细粒子。
【单选题】听力原文:W: Your spoken English is very good. I like it very much. M: Thank you! You see, I've ever stayed in America for three years and during that time my oral English was improved a lot. Q: How long d...
【简答题】Happy Sunday I have four goldfishes in my room. They are very beautiful. I love them very much. On weekdays, I’m always busy. I must study and do homework and so on, so I have no time to care(照顾) them...
【单选题】以天然或合成高分子物质为载体制成的载药微细粒子称为